Fifty Seven Fifty Seven (R) (B)
Four Seasons Hotel New York
57 E. 57th St., nr. Park Ave.
212-893-6869
fourseasons.com
Blond-wood walls and backlit marble paneling make for a sophisticated mood in the Art Deco Cosmopolitan Suite. Twenty to 150 can dine on three courses ($135) or pop in for brunch classics like challah French toast with warm pear compote or scrambled eggs with applewood-smoked bacon.

Five Front (R) (B)
5 Front St. Dumbo, Brooklyn
718-625-5559
Five Front serves creative comfort food in a historic building under the span of the Brooklyn Bridge. The front dining room can accommodate up to 40, and there’s a beautiful garden that seats 50 in the warmer months. The pastry chef makes wedding cakes, and the entire space can be rented out on a Friday or Saturday night, with prices starting at $8,000. Chef Paul Vicino’s menu highlights include curried mussels, Chesapeake Bay crab cakes, and mahi mahi in a lemon beurre blanc.

5 Ninth (R)
5 Ninth Ave., at Gansevoort St.
212-929-9460
5ninth.com
This circa-1848 landmark building, once home to Jean-Michel Basquiat, was recently converted into a rambling, three-story restaurant with garden. The third-floor lounge can be used as a private dining room to seat up to 45 (starting at $1,500) and features seasonally inspired dishes such as spring leg of lamb with a morel-and-ramp ragout.

The Four Seasons Restaurant (R) (B)
99 E. 52nd St., nr. Park Ave.
212-754-9494
fourseasonsrestaurant.com
The famed Pool Room in this Philip Johnson–designed restaurant has a private indoor terrace that overlooks a white marble reflecting pool. For 40 to 100 people (at $125 each), you can create a set menu of items such as bison carpaccio, black bass, and sautéed foie gras, or crisp farmhouse duck.

Gramercy Tavern (B)
42 E. 20th St., nr. Broadway
212-477-0777
gramercytavern.com
The warmth of Danny Meyer’s Gramercy Tavern can be yours in a private room for 22 ($100–$160 per person). Seated at a long table adorned with seasonal fruits or striking flowers, you’ll enjoy signature dishes like seared foie gras with sour cherries, almonds, and sherry vinegar, and venison with Savoy cabbage, roasted chestnuts, and cranberries.

Ici (R) (B)
246 DeKalb Ave., nr. Vanderbilt Ave.,
Fort Greene, Brooklyn
718-789-2778
For an outer-borough treat, host your rehearsal dinner at Ici, located in a beautiful Fort Greene brownstone. The dining room seats 50 for a formal dinner, and there’s also a garden that can host a cocktail reception in the warmer seasons. Dinners range from $50 to $100 per person, and menu highlights include chilled cucumber-and-yogurt soup, roasted leg of lamb, and a wild striped bass with cabbage and carrots.

I Trulli (R)
122 E. 27th St., nr. Lexington Ave.
212-481-7372
This Italian mainstay’s private room, which boasts rustic stucco walls and a wood-burning fireplace, looks out onto a garden where terra-cotta murals and a fountain make you feel like you’re in southern Italy. The room seats between 50 and 70 guests, who will feast on regional dishes from Apulia (the heel of Italy’s boot) such as homemade pasta and roasted rack of lamb with fava-bean purée and dandelions ($125 to $150 per person includes an open bar). The other option is to rent out the whole restaurant to fit 100 to 125 (the price may vary depending on the day of the week).

La Grenouille (R) (B)
3 E. 52nd St., nr. Fifth Ave.
212-752-0652
la-grenouille.com
With its wood-beamed ceiling, skylight, and fireplace, the upper portion of the bi-level Private Room can be reserved for 20 to 70 guests. They offer five separate dinner menus from $195; think striped bass braised in white wine and served with parsleyed cucumbers. The entire space can be rented out as well (priced upon request).

Le Bernardin (R)
155 W. 51st St., nr. Sixth Ave.
212-554-1108
le-bernardin.com
There's a new private room with etched-glass walls and a coffered wood ceiling at this legendary seafood restaurant. Start with hamachi tartare, then move on to poached halibut in citrus-seaweed nage. Finish with passion-fruit cream enrobed in white chocolate. Ten to 90 diners can enjoy a three-course menu of your choice, starting at $135 each.

Lever House Restaurant (R)
390 Park Ave., at 53rd St.
212-888-2700
leverhouse.com
For an Über-stylish meal, there’s nothing cooler than Lever House’s spacey, honeycombed 24-seat private room. There you’ll enjoy two wedding-perfect cocktails—a Bellini and a pineapple daiquiri—followed by seasonal New American creations like Colorado rack of lamb and Maine lobster tails (about $150 a head; the restaurant can hold about 135 guests tops).